ZADATAK

nolenk's picture

 KOLIKO SE DOBIJA GRAMA KISELE SOLI U REAKCIJI 0,5 MOLOVA H2SO4 SA ODGOVARAJUCOM KOLICINOM Mg(OH)2?

milicaradenkovic's picture

Mg(OH)2+2H2SO4-------------------->Mg(HSO4)2+2H2O

n(Mg(HSO4)2)=n(H2SO4)/2=0.5/2=0.25 mol

m(Mg(HSO4)2)=n(Mg(HSO4)2)*Mr=0.25*218=54.5 g